#include <stdbool.h>
#include <stdint.h>
#include "../inc/hw_types.h"
#include "../inc/hw_ints.h"
#include "../inc/hw_memmap.h"
#include "../inc/hw_i2c.h"
#include "debug.h"
#include "interrupt.h"
#include "cpu.h"

Include dependency graph for i2c.h:

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Go to the source code of this file.

Macros
#define	I2C_CONTROLLER_CMD_SINGLE_SEND 0x00000007

#define	I2C_CONTROLLER_CMD_SINGLE_RECEIVE 0x00000007

#define	I2C_CONTROLLER_CMD_BURST_SEND_START 0x00000003

#define	I2C_CONTROLLER_CMD_BURST_SEND_CONT 0x00000001

#define	I2C_CONTROLLER_CMD_BURST_SEND_FINISH 0x00000005

#define	I2C_CONTROLLER_CMD_BURST_SEND_ERROR_STOP 0x00000004

#define	I2C_CONTROLLER_CMD_BURST_RECEIVE_START 0x0000000b

#define	I2C_CONTROLLER_CMD_BURST_RECEIVE_CONT 0x00000009

#define	I2C_CONTROLLER_CMD_BURST_RECEIVE_FINISH 0x00000005

#define	I2C_CONTROLLER_CMD_BURST_RECEIVE_ERROR_STOP 0x00000004

#define	I2C_CONTROLLER_ERR_NONE 0

#define	I2C_CONTROLLER_ERR_ADDR_ACK 0x00000004

#define	I2C_CONTROLLER_ERR_DATA_ACK 0x00000008

#define	I2C_CONTROLLER_ERR_ARB_LOST 0x00000010

#define	I2C_TARGET_ACT_NONE 0

#define	I2C_TARGET_ACT_RREQ 0x00000001

#define	I2C_TARGET_ACT_TREQ 0x00000002

#define	I2C_TARGET_ACT_RREQ_FBR 0x00000005

#define	I2C_TARGET_INT_STOP 0x00000004

#define	I2C_TARGET_INT_START 0x00000002

#define	I2C_TARGET_INT_DATA 0x00000001

#define	I2C_CLK_FREQ 48000000

Functions
void	I2CControllerInitExpClk (uint32_t base, bool fast)
	Initializes the I²C Controller module. More...

__STATIC_INLINE void	I2CControllerCommand (uint32_t base, uint32_t cmd)
	Controls the state of the I²C Controller module. More...

__STATIC_INLINE void	I2CControllerSetTargetAddr (uint32_t base, uint8_t targetAddr, bool receive)
	Sets the address that the I²C Controller will place on the bus. More...

__STATIC_INLINE void	I2CControllerEnable (uint32_t base)
	Enables the I²C Controller module. More...

__STATIC_INLINE void	I2CControllerDisable (uint32_t base)
	Disables the I²C controller module. More...

__STATIC_INLINE bool	I2CControllerBusy (uint32_t base)
	Indicates whether or not the I²C Controller is busy. More...

__STATIC_INLINE bool	I2CControllerBusBusy (uint32_t base)
	Indicates whether or not the I²C bus is busy. More...

__STATIC_INLINE uint32_t	I2CControllerGetData (uint32_t base)
	Receives a byte that has been sent to the I²C Controller. More...

__STATIC_INLINE void	I2CControllerPutData (uint32_t base, uint8_t data)
	Transmits a byte from the I²C Controller. More...

uint32_t	I2CControllerError (uint32_t base)
	Gets the error status of the I²C Controller module. More...

__STATIC_INLINE void	I2CControllerEnableInt (uint32_t base)
	Enables the I²C Controller interrupt. More...

__STATIC_INLINE void	I2CControllerDisableInt (uint32_t base)
	Disables the I²C Controller interrupt. More...

__STATIC_INLINE void	I2CControllerClearInt (uint32_t base)
	Clears I²C Controller interrupt sources. More...

__STATIC_INLINE bool	I2CControllerIntStatus (uint32_t base, bool masked)
	Gets the current I²C Controller interrupt status. More...

__STATIC_INLINE void	I2CTargetEnable (uint32_t base)
	Enables the I²C Target module. More...

__STATIC_INLINE void	I2CTargetInit (uint32_t base, uint8_t targetAddr)
	Initializes the I²C Target module. More...

__STATIC_INLINE void	I2CTargetSetAddress (uint32_t base, uint8_t targetAddr)
	Sets the I²C target address. More...

__STATIC_INLINE void	I2CTargetDisable (uint32_t base)
	Disables the I²C target module. More...

__STATIC_INLINE uint32_t	I2CTargetStatus (uint32_t base)
	Gets the I²C Target module status. More...

__STATIC_INLINE uint32_t	I2CTargetGetData (uint32_t base)
	Receives a byte that has been sent to the I²C Target. More...

__STATIC_INLINE void	I2CTargetPutData (uint32_t base, uint8_t data)
	Transmits a byte from the I²C Target. More...

__STATIC_INLINE void	I2CTargetEnableInt (uint32_t base, uint32_t intFlags)
	Enables individual I²C Target interrupt sources. More...

__STATIC_INLINE void	I2CTargetDisableInt (uint32_t base, uint32_t intFlags)
	Disables individual I²C Target interrupt sources. More...

__STATIC_INLINE void	I2CTargetClearInt (uint32_t base, uint32_t intFlags)
	Clears I²C Target interrupt sources. More...

__STATIC_INLINE uint32_t	I2CTargetIntStatus (uint32_t base, bool masked)
	Gets the current I²C Target interrupt status. More...

Macros

Functions